CN216344459U - Internal expanding joint for repairing pipe connection - Google Patents
Internal expanding joint for repairing pipe connection Download PDFInfo
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- CN216344459U CN216344459U CN202122594384.2U CN202122594384U CN216344459U CN 216344459 U CN216344459 U CN 216344459U CN 202122594384 U CN202122594384 U CN 202122594384U CN 216344459 U CN216344459 U CN 216344459U
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- joint
- locking
- inner core
- outer sleeve
- connector
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Abstract
The utility model discloses an internal expanding type joint for repairing pipe connection, which comprises a hollow cylindrical joint inner core, a joint outer sleeve and a locking pressing block, wherein the front end of the joint inner core is arranged on the inner side of the joint outer sleeve, a zigzag groove is formed in the contact part of the joint inner core and the joint outer sleeve, a step is arranged on the outer side of the joint inner core, the front end of the joint outer sleeve props against the step, a positioning boss is arranged on the outer side of the rear end of the joint inner core, a locking fixing block with holes corresponding to the positioning boss is arranged on the outer side of the joint outer sleeve, the locking pressing block presses the same side face of the positioning boss and the locking fixing block, and the locking pressing block, the positioning boss and the locking fixing block are connected together through a locking screw. The utility model has simple processing and lower manufacturing cost, does not need to consider the problem of not in-place installation and locking in the using process, and is safe and reliable to use.
Description
Technical Field
The utility model belongs to the field of pipeline joint connection, and particularly relates to an internal expansion type joint for repairing pipe connection.
Background
The pipeline repair is to adopt various technologies to restore the normal use function of the damaged and leaked conveying pipeline, at present, the in-hose repair is a commonly adopted method, the conventional connecting joint for repairing the pipe basically adopts an external right hoop type and glue injection type structure, the joints of the two structures are complex to process and high in cost, and the phenomenon of leakage caused by the fact that the installation and the locking are not in place easily exists in the practical application.
Disclosure of Invention
In order to solve the problems, the utility model discloses an internal expansion type joint for repairing pipe connection, which is simple to process, low in manufacturing cost, safe and reliable to use and does not need to consider the problem of improper installation and locking in the using process.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the inner expansion type joint for repairing pipe connection comprises a hollow cylindrical joint inner core, a joint outer sleeve and a locking pressing block, wherein the front end of the joint inner core is arranged on the inner side of the joint outer sleeve, a zigzag groove is formed in the contact position of the joint inner core and the joint outer sleeve, a step is arranged on the outer side of the joint inner core, the front end of the joint outer sleeve props against the step, a positioning boss is arranged on the outer side of the rear end of the joint inner core, a locking fixing block with holes corresponding to the positioning boss is arranged on the outer side of the joint outer sleeve, the locking pressing block presses the same side face of the positioning boss and the locking fixing block, and the locking pressing block, the positioning boss and the locking fixing block are connected together through a locking screw.
As an improvement of the utility model, the rear end of the sawtooth-shaped groove is provided with a non-slip step.
As an improvement of the utility model, the positioning lug boss and the locking fixing block are 4-8 groups.
As an improvement of the utility model, the inner surface and the outer surface of the joint inner core and the joint outer sleeve are provided with anticorrosive layers.
As an improvement of the utility model, the locking screw is a hexagon socket head cap screw.
The utility model has the beneficial effects that:
1. the joint structure is simple, the processing is convenient, and the cost is low;
2. the inner surface and the outer surface are provided with the anti-corrosion layers, so that the service life can be prolonged;
3. because the structure adopts mechanical deformation locking, the sealing effect is higher than that of the original two structures;
4. according to the use requirement, the joint connection can adopt a welding type or flange connection type connection;
5. the joint with the structure is convenient for rapid repair.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of the present invention.
List of reference symbols:
1. the joint comprises a joint inner core, 2 a joint outer sleeve, 3 a locking pressing block, 4 a groove, 5 a step, 6 a positioning boss, 7 a locking fixing block, 8 a locking screw, 9 a slip-proof step, 10 and a repair hose.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the utility model and not as limiting the scope of the utility model.
As shown in the figure, the internal expansion type joint for connecting the repair pipes comprises a hollow cylindrical joint inner core 1, a joint outer sleeve 2 and a locking pressing block 3, wherein the joint inner core 1 is a reducing pipe, the front end of the joint inner core 1 is contracted and reduced, the front end of the joint inner core 1 is arranged on the inner side of the joint outer sleeve 2, a sawtooth-shaped groove 4 is formed in the contact position of the joint inner core 1 and the joint outer sleeve 2, a step 5 is arranged on the outer side of the joint inner core 1, the front end of the joint outer sleeve 2 abuts against the step 5, a positioning boss 6 is arranged on the outer side of the rear end of the joint inner core, a locking fixing block 7 with a hole corresponding to the positioning boss is arranged on the outer side of the joint outer sleeve, the locking pressing block 3 presses the same side face of the positioning boss 6 and the locking fixing block 7, and the locking pressing block 3, the positioning boss 6 and the locking fixing block 7 are connected together through a locking screw 8.
When the repair hose is in work, the repair hose 10 is inserted into a gap between the joint outer sleeve 2 and the joint inner core 1, a sawtooth-shaped groove 4 is formed in the gap, an anti-slip step 9 is arranged at the rear end of the groove, a step 5 is arranged on the outer side of the joint inner core 1, and in addition, the locking pressing block 3, the positioning boss 6 and the locking fixing block 7 are connected together through the locking screw 8, after the inner core of the repair hose 10 begins to expand, the repair hose can be firmly locked between the cracks through the structure, the effect of connection sealing is achieved, the installation is simple and convenient, and the reliability is high; the rapid first-aid repair can be found conveniently and rapidly.
The positioning boss 6 and the locking fixing block 7 are 4-8 groups, so that uniform stress is ensured.
The joint inner core 1 and the joint outer sleeve 2 are provided with the anticorrosive layers on the inner and outer surfaces, so that the service life is prolonged.
The locking screw 8 is an inner hexagonal screw, so that the installation is convenient and the connection is firm.
It should be noted that the above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and it is obvious to those skilled in the art that several modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations fall within the protection scope of the claims of the present invention.
Claims (5)
1. Restore union coupling and use interior expanding joint, its characterized in that: the connector comprises a hollow cylindrical connector inner core, a connector outer sleeve and a locking pressing block, wherein the front end of the connector inner core is arranged on the inner side of the connector outer sleeve, a sawtooth-shaped groove is formed in the contact position of the connector inner core and the connector outer sleeve, a step is arranged on the outer side of the connector inner core, the front end of the connector outer sleeve props against the step, a positioning boss is arranged on the outer side of the rear end of the connector inner core, a locking fixing block with a hole corresponding to the positioning boss is arranged on the outer side of the connector outer sleeve, the locking pressing block presses the same side face of the positioning boss and the locking fixing block, and the locking pressing block, the positioning boss and the locking fixing block are connected together through a locking screw.
2. An internally expanding joint for rehabilitating tubular connections as claimed in claim 1, wherein: the rear end of the sawtooth-shaped groove is provided with a slip-stopping step.
3. An internally expanding joint for rehabilitating tubular connections as claimed in claim 1, wherein: the positioning lug bosses and the locking fixing blocks are 4-8 groups.
4. An internally expanding joint for rehabilitating tubular connections as claimed in claim 1, wherein: and the inner surface and the outer surface of the joint inner core and the joint outer sleeve are provided with anticorrosive layers.
5. An internally expanding joint for rehabilitating tubular connections as claimed in claim 1, wherein: the locking screw is a hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122594384.2U CN216344459U (en) | 2021-10-27 | 2021-10-27 | Internal expanding joint for repairing pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122594384.2U CN216344459U (en) | 2021-10-27 | 2021-10-27 | Internal expanding joint for repairing pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344459U true CN216344459U (en) | 2022-04-19 |
Family
ID=81130860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122594384.2U Active CN216344459U (en) | 2021-10-27 | 2021-10-27 | Internal expanding joint for repairing pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344459U (en) |
-
2021
- 2021-10-27 CN CN202122594384.2U patent/CN216344459U/en active Active
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| GR01 | Patent grant |